SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for ozintech.com

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
dsoftware.vn
Valid from
May 25, 2026
Valid until
Aug 23, 2026 (33 days remaining)
Public key
RSA 2048-bit
Serial
0664CB5CC2A2742CC14B79BB79DACBB5473F
SHA-256 fingerprint
23:69:74:C1:70:B0:6A:E7:6E:D6:50:EC:44:DF:CB:14:D6:FE:CF:74:9B:DF:73:AE:A0:06:1F:1C:F7:6D:C8:5F
Chain
R13 → ISRG Root X1
Subject Alternative Names (2)
dsoftware.vn, www.dsoftware.vn

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.